Dynamically refresh pref-configured proxies.

chrome/app/policy/policy_templates.json

 {
 # policy_templates.json - Metafile for policy templates
 #
 # The content of this file is evaluated as a Python expression.
 #
 # This file is used as input to generate the following policy templates:
 # ADM, ADMX+ADML, MCX/plist and html documentation.
 #
 # Policy templates are user interface definitions or documents about the
 # policies that can be used to configure Chrome. Each policy is a name-value
@@ skipping 248 matching lines @@
           'type': 'enum',
           'items': [
             {'name': 'ProxyServerDisabled', 'value': '0'},
             {'name': 'ProxyServerAutoDetect', 'value': '1'},
             {'name': 'ProxyServerManual', 'value': '2'},
             {'name': 'ProxyServerUseSystem', 'value': '3'},
           ],
           'annotations': {
             'platforms': ['linux', 'mac', 'win'],
             'products': ['chrome'],
-            'features': {'dynamic_refresh': 0},
+            'features': {'dynamic_refresh': 1},
             'example_value': 2,
           }
         },
         {
           'name': 'ProxyServer',
           'type': 'string',
           'annotations': {
             'platforms': ['linux', 'mac', 'win'],
             'products': ['chrome'],
-            'features': {'dynamic_refresh': 0},
+            'features': {'dynamic_refresh': 1},
             'example_value': '123.123.123.123:8080',
           }
         },
         {
           'name': 'ProxyPacUrl',
           'type': 'string',
           'annotations': {
             'platforms': ['linux', 'mac', 'win'],
             'products': ['chrome'],
-            'features': {'dynamic_refresh': 0},
+            'features': {'dynamic_refresh': 1},
             'example_value': 'http://internal.site/example.pac'
           }
         },
         {
           'name': 'ProxyBypassList',
           'type': 'string',
           'annotations': {
             'platforms': ['linux', 'mac', 'win'],
             'products': ['chrome'],
-            'features': {'dynamic_refresh': 0},
+            'features': {'dynamic_refresh': 1},
             'example_value':
               'http://www.example1.com,'
               'http://www.example2.com,http://internalsite/',
           }
         },
       ]
     },
     {
       'name': 'HTTPAuthentication',
       'type': 'group',
@@ skipping 292 matching lines @@
     {
       'key': '$4',
       'value': 'http://www.chromium.org/developers/how-tos/chrome-frame-getting-started'
     },
     {
       'key': '$5',
       'value': 'http://www.chromium.org/administrators/policy-templates'
     },
   ]
 }